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Extruder temperature varies alot

 Hello everyone,

i currently have some issues with my Creatr HS, because the temperature of the extruder varies very much.

E.g. i have set the temperature to 245°C in Simplify3d then the nozzle has an actual temperature of 220-238°C during the print, i have checked the complete heat block and replaced it (every part). the heat cartridge is perfectly aligned and the heat sensor is screwed in to the end.

Does anyone else have (or had) this issue and how did you solve it ? I think that it's a firmware issue. That might also be the reason, why the printer takes longer then it should to get the extruder to heat up.

Refering to the given example the extruder heats up to ~255°C, falls down to 220°C and makes two more of those "swings" before it stabilizes at ~242°C.

I think that the software just doesnt check the temperature often enough so that it can drop very low between those temperature-checks.

Maybe i just oversee a checkbox in Simplify3d or something like that so please be so kind and send me your print settings for the "temperature"-header in advanced settings from simplify for me to compare them.

I'm thankfull vor every response.

Marius Breuer

1 person has this problem

I had the same issue on a creatr HS. Doing THIS  solves it, works much better now.

Hi Marc,

i have updated the Creatr HS Firmware, the printer keeps the temperature alot better now, thanks.


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User Manual

Quick Start Guide

Print Settings

Print settings in the Creatr Software can be directly updated in under 'print'.

The latest Simplify 3D profiles can be downloaded using the following links:

Bolt - Simplify3D settings

Bolt - Sync and Mirror Profile
Bolt - PLA, ABS Flex Profile
Bolt - Flex Profile V.1.1
Bolt - PolyPropylene Profile

Bolt Pro - Simplify3D settings

Bolt Pro - V1.1 - PLA, EPLA, Hybrid, PET-G Profile
Bolt Pro - V1.1 - Flex Profile
Bolt Pro - V1.1 - ABS Nylon Profile
Bolt Pro - V1.1 - PolyPropylene Profile
Bolt Pro - V1.1 - SS(0.5mm) Carbon, Wood Profile

To use the profiles, choose File, then Import FFF Profile and be sure to select the correct profile in your process. You can also watch this video.

Demo Print Downloads

Drivers Downloads

Software Downloads

Firmware Downloads

Request more information on the Bolt (Pro) firmware and how to update this via the Ticket System

Bolt Firmware

Download the Bolt 2.8.2 firmware here

Bolt Pro Firmware

Download the Bolt Pro 2.8.2 firmware here

Bolt (Pro) Video Library